1 Which of the following atoms has the greatest tendency to attract electrons?

(1) barium         (3) boron
(2) beryllium      (4) bromine

1         2         3         4        

2 Which 5.0-milliliter sample of NH3 will take the shape of and completely fill a closed 100.0-milliliter container?

(1) NH3(s)        (3) NH3(g)
(2) NH3(
)        (4)NH3(aq)

1         2         3         4        

3 The strongest forces of attraction occur between molecules of

(1) HCl        (3) HBr
(2) HF         (4) HI

1         2         3         4        

4 Which graph shows the pressure-temperature relationship expected for  an ideal gas?

1         2         3         4        

5 At the same temperature and pressure, which sample contains the same number of moles of particles as 1 liter of O2(g)?

(1) 1 L Ne(g)      (3) 0.5 L SO2(g)
(2) 2 L N2(g)       (4) 1 L H2O(
)

1         2         3         4